[clojure] Apply model/param/var name mappings (OpenAPITools#18665) (OpenAPITools#18858)

Fixes OpenAPITools#18665

Author: valpackett

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ClojureClientCodegen.java

@@ -198,6 +198,10 @@ public String getSchemaType(Schema p) {
 
     @Override
     public String toModelName(String name) {
+        if (modelNameMapping.containsKey(name)) {
+            return modelNameMapping.get(name);
+        }
+
         return dashize(name);
     }
 
@@ -339,11 +343,19 @@ public String toApiName(String name) {
 
     @Override
     public String toParamName(String name) {
+        if (parameterNameMapping.containsKey(name)) {
+            return parameterNameMapping.get(name);
+        }
+
         return toVarName(name);
     }
 
     @Override
     public String toVarName(String name) {
+        if (nameMapping.containsKey(name)) {
+            return nameMapping.get(name);
+        }
+
         name = name.replaceAll("[^a-zA-Z0-9_-]+", ""); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
         return name;
     }